Finding the Fourth Proportional to 208,496,758.52, 287,725,562.28 and 115,677,044.84
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Solution
The fourth proportional to 208,496,758.52, 287,725,562.28 and 115,677,044.84 is: 159,634,341.59
Step by Step Solution
- Step 1: Write the proportion equation
208,496,758.52 : 287,725,562.28 = 115,677,044.84 : x - Step 2: Convert to fraction form
208,496,758.52/287,725,562.28 = 115,677,044.84/x - Step 3: Cross multiply
208,496,758.52x = 287,725,562.28 × 115,677,044.84 - Step 4: Simplify right side
208,496,758.52x = 33,283,242,769,477,772 - Step 5: Solve for x
x = 33,283,242,769,477,772/208,496,758.52 - Step 6: Final answer
x = 159,634,341.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.